Traffic Light Collections is a free Android application developed by KOTRA Kereskedelmi és Oktató Kft. This app is categorized under Education & Reference, and it contains a collection of traffic lights that can be customized. With more than 10 types of traffic lights available initially, users can create their own traffic light image and customize it according to their preferences.

Once customized, users can play directly with their newly created traffic light or save it into the application's memory to be able to load it again anytime. This app can be really useful for educational purposes, such as teaching how traffic rules should be applied or at go-stop tasks. It can also be used at sport events to start a race.

Overall, Traffic Light Collections is a simple yet useful app that allows users to customize and play with traffic lights. Its educational and sport event applications make it a great addition to any Android device.